Birthday Cake Rice Krispie Treats Recipe. Step 2 Melt butter in a large pot over medium-low heat cooking and stirring until butter is golden brown and smells nutty 3 to 4 minutes. Our giant rice krispie cake takes a childhood baking classic and turns it into a two tiered cake ready to share with friends and family.
Line an 88 inch pan with parchment paper. Add marshmallows and stir until the marshmallows are completely melted. Ingredients 4 Tbsp.
Line a 1015-inch jelly roll pan with foil and spray lightly with cooking spray set aside.
Reduce speed to medium-low and slowly add confectioners sugar and beat until smooth. Butter 1 10 oz bag of mini-marshmallows 12 cup yellow cake mix the dry cake mix not prepared into a batter. Prepare a 9x12 Pyrex or metal pan by coating it with butter or cooking spray. Reserve 1 12 tablespoons of the rainbow sprinkles for the top of the treats.